ViewSonic LS830 - Image Adjustment Techniques; Adjusting Projection Angle and Clarity; Auto Image Optimization

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Adjusting the projected image
Adjusting the projection angle
The projector is furnished with an adjustment
support peg. The adjustment support peg may
be used to adjust projection height and projection
angle along the vertical axis. The user may
turn the adjustment support peg to make ne
adjustments to projection angle and position of
the projected image until it reaches the desired
location.
If the projector is placed on an uneven surface or where the screen and projector
are not perpendicular to each other, the projected image may be subject to keystone
(trapezoidal) distortion. For more details on projection calibration, please refer to
“Correcting keystone”.
Auto-adjustments to the image
You may need to optimize picture quality in some cases. To do this, press and hold
the [Auto Sync] button of the remote control. Within 5 seconds, the built-in Intelligent
Auto Adjust function will re-adjust the values of Frequency and Clock to provide the
best picture quality.
The current source information will be displayed in the upper left corner of the screen
for 3 seconds.
WhenusingAutoAdjustfunction,theentirescreenwillturnblack.
ThisfunctionisonlyavailablewhenPCD-Subinputsignal(analogRGB)isselected.
Auto-adjustments to image clarity
The focusing ring can be turned to adjust image clarity.